Re: Finding .desktop file and application info

[Osmo Antero <osmoma gmail com>]

Hello,
Yes,  g_desktop_app_info_search() is exactly what I need.
I will test it later.

Thanks a lot for your help.
// Moma

tito-wolit <tito-wolit tiscali it> escreveu no dia segunda, 4/03/2019 à(s)
06:59:

> On 3/3/19 9:53 PM, Osmo Antero wrote:
> > Hello Tito,
> > Muito obrigado.
> > Thank you, the call with "kde4-" worked fine.
> >
> > However,  the "DesktopEntry" value from Amarok/DBus does not contain the
> "kde4" part.
> > Please see the MRIS2-spec:
> https://specifications.freedesktop.org/mpris-spec/latest/Media_Player.html#Property:DesktopEntry
> > My application cannot guess that it must include the "kde4" to get a
> valid .desktop file.
> > I think g_desktop_app_info_new() should also browse all sub-directories,
> but is does not.
>
> Hi,
>
> GDesktopAppInfo *app_info =
> g_desktop_app_info_new("org.kde.amarok.desktop");
> if (app_info == NULL )
>         app_info = g_desktop_app_info_new("kde-org.kde.amarok.desktop");
> if (app_info == NULL )
>         app_info = g_desktop_app_info_new("kde2-org.kde.amarok.desktop");
> if (app_info == NULL )
>         app_info = g_desktop_app_info_new("kde3-org.kde.amarok.desktop");
> if (app_info == NULL )
>         app_info = g_desktop_app_info_new("kde4-org.kde.amarok.desktop");
> if (app_info == NULL )
>         app_info = g_desktop_app_info_new("kde5-org.kde.amarok.desktop");
> else
>         puts("can't find org.kde.amarok.desktop")
>
> BTW: debian does set only:
>
> XDG_DATA_DIRS=/usr/share/xfce4:/usr/local/share/:/usr/share/:/usr/share
>
> maybe g_desktop_app_info_search ("amarok");
> and then app_info = g_desktop_app_info_new(**strv);
>
> g_desktop_app_info_search ()
>
> gchar ***
> g_desktop_app_info_search (const gchar *search_string);
>
> Searches desktop files for ones that match search_string .
>
> The return value is an array of strvs. Each strv contains a list of
> applications that matched search_string with an equal score.
> The outer list is sorted by score so that the first strv contains the
> best-matching applications, and so on.
> The algorithm for determining matches is undefined and may change at any
> time.
>
> Ciao,
> Tito
>
> > One possible solutions is this:
> > The application should find the real location and path of
> "org.kde.amarok.desktop".
> > The "locate" command does the same thing.
> > My app cannot call "locate" directly because it depends on "sudo
> updatedb".
> > I will write my own routine that dives to usr/share/applications/ and
> its sub folders.
> > This is my best shot !
> >
> > Then the app can call:
> > GDesktopAppInfo *g_desktop_app_info_new_from_filename(const char
> *filename);
> > My very old app is this: (the latest is v3.0.2)
> > https://launchpad.net/~audio-recorder
> >
> > Thanks,
> > Obrigado e boa noite.
> > // Moma
> > Portugal
> >
> >
> >
> >
> > tito-wolit via gtk-app-devel-list <gtk-app-devel-list gnome org <mailto:
> gtk-app-devel-list gnome org>> escreveu no dia domingo, 3/03/2019 à(s)
> 19:42:
> >     On 3/3/19 6:36 PM, Osmo Antero via gtk-app-devel-list wrote:
> >      > Hello,
> >      > I have an application that uses g_desktop_app_info_new() function
> to
> >      > find GDesktopAppInfo.
> >      >
> >      > I just wonder why the g_desktop_app_info_new() FAILS to find the
> >      > GDesktopAppInfo if the .desktop file is in a sub directory
> >      > under usr/share/applications/.
> >      >
> >      > So this fails:
> >      > GDesktopAppInfo *app_info =
> g_desktop_app_info_new("org.kde.amarok.desktop")
> >     hi,
> >     try:
> >
> >     GDesktopAppInfo *app_info =
> g_desktop_app_info_new("kde4-org.kde.amarok.desktop")
> >     ciao,
> >     Tito
> >
> >      > If the "org.kde.amarok.desktop" file is located in:
> >      > /usr/share/applications/kde4/org.kde.amarok.desktop
> >      > This is the default location of Amarok player.
> >      > ---
> >      > Then I move the file "org.kde.amarok.desktop"  to
> /usr/share/applications/.
> >      >
> >      > $ sudo mv /usr/share/applications/kde4/org.kde.amarok.desktop
> >      > /usr/share/applications/org.kde.amarok.desktop
> >      >
> >      > $ sudo updatedb
> >      > $ locate org.kde.amarok.desktop
> >      > /usr/share/applications/org.kde.amarok.desktop
> >      >
> >      > Now the call succeeds. It returns GDesktopAppInfo structure.
> >      > GDesktopAppInfo *app_info =
> g_desktop_app_info_new("org.kde.amarok.desktop")
> >      >
> >      > Something is wrong, because the manual says that the desktop file
> can stay
> >      > in a sub directory:
> >      >
> >      > """"
> >      > g_desktop_app_info_new ()
> >      > GDesktopAppInfo * g_desktop_app_info_new (const char *desktop_id);
> >      >
> >      > Creates a new GDesktopAppInfo based on a desktop file id.
> >      >
> >      > A desktop file id is the basename of the desktop file, including
> the
> >      > .desktop extension. GIO is looking for a desktop file with this
> name in the
> >      > applications subdirectories of the XDG data directories (i.e. the
> >      > directories specified in the XDG_DATA_HOME and XDG_DATA_DIRS
> environment
> >      > variables). GIO also supports the prefix-to-subdirectory mapping
> that is
> >      > described in the Menu Spec (i.e. a desktop id of kde-foo.desktop
> will
> >      > match/usr/share/applications/kde/foo.desktop).
> >      > """"
> >      >
> >      > Just for info:
> >      > My application gets the "org.kde.amarok.desktop" name from Amarok
> via the
> >      > MPRIS2 DBus-interface.  Please see "DesktopEntry" of
> >      >
> https://specifications.freedesktop.org/mpris-spec/latest/Media_Player.html#Property:DesktopEntry
> >      >
> >      > Please educate me.
> >      >
> >      > Kindly
> >      >    Osmo Moma Antero
> >      >    Portugal
> >      >
> >     _______________________________________________
> >     gtk-app-devel-list mailing list
> >     gtk-app-devel-list gnome org <mailto:gtk-app-devel-list gnome org>
> >     https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
> >
> >
> >
> > --
> > Sent from my PC, laptop or phone with Ubuntu-Linux.


-- 
Sent from my PC, laptop or phone with Ubuntu-Linux.